The most common sensor arrangement of 360 panoramic video cameras is a radial design where a number of sensors are outward looking as in spokes on a wheel. The cameras are typically spaced at approximately human interocular distance with high overlap. We present a novel method of
leveraging small form-factor camera units arranged in stereo pairs and interleaved to achieve a fully panoramic view with fully parallel sensor pairs. This arrangement requires less keystone correction to get depth information and the discontinuity between images that have to be stitched together
is smaller than in the radial design. The primary benefit for this arrangement is the small form factor of the system with the large number of sensors enabling a high resolving power. We highlight mechanical considerations, system performance and software capabilities of these manufactured
and tested imaging units. One is based on the Raspberry Pi cameras and a second based on a 16 camera system leveraging 8 pairs of 13 megapixel AR1335 cell phone sensors. In addition several different variations on the conceptual design were simulated with synthetic projections to compare stitching
difficulty of the rendered scenes.
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Document Type: Research Article
January 13, 2019
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